• 2022-06-30
    设[img=149x56]18039575ad6503d.png[/img], 其中f连续,则[img=117x26]18039575b581e8b.png[/img]
    A: [img=136x43]18039575bdfb0df.png[/img]
    B: [img=111x43]18039575c5e34fe.png[/img]
    C: [img=136x43]18039575ce291c1.png[/img]
    D: [img=111x43]18039575d6eb3f5.png[/img]